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Acidic Anions in PM10 Particle Fraction in Zagreb Air, Croatia


This paper presents the results of 7 years continuous measurement of acidic anions chlorides, nitrates, and sulphates in PM10 particle fraction in the city of Zagreb, Croatia. The mean annual mass concentrations of the investigated anions in PM10 particle fraction varied from 0.28 to 0.95 μg/m3 for chlorides, from 3.21 to 7.87 μg/m3 for nitrates and from 3.98 to 9.71 μg/m3 for sulphates. The concentration levels of all measured anions showed significant seasonal differences. The most contributing to the PM10 mass were sulphates, then nitrates, and then chlorides. The mobile source emission was an important contributor to particle mass.

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Correspondence to Mirjana Čačković.

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Čačković, M., Vađić, V., Šega, K. et al. Acidic Anions in PM10 Particle Fraction in Zagreb Air, Croatia. Bull Environ Contam Toxicol 83, 188–192 (2009).

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  • Chlorides
  • Nitrates
  • Sulphates
  • Ion chromatography